Press flag twice. Switch block by pressing 1-5. If key D pressed and you are touching the block then it will delete but if you press D and A then it will delete all. If your mouse is over the Arrow then it will show the menu. You can drag the player in editor mode! If it lags: https://turbowarp.org/455859003 For flag jump on it.
v 1.0: release with 2 blocks. v 1.1: added 1 block and tile snap. v 1.2: better grid snapping. V 1.3: Editor mode! V 1.4: 2 new blocks! V 1.5: Grid background for editor! V 1.6: Better editor! V 1.65 working on enemys!